<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>首页</title>
    <script>
        window.onload = function () {
            var img = document.getElementById("checkCode")
            img.onclick = function () {
                img.src = "/day15/checkCode?" + new Date().getTime()
            }
            document.getElementById("change").onclick = function () {
                img.src = "/day15/checkCode?" + new Date().getTime()
            }
        }


    </script>
</head>
<body>
<a href="/day15/addStudent.html">添加学生</a><BR>
<a href="/day15/look">查看学生</a><br>
<img src="/day15/checkCode" id="checkCode">
<a href="javaScript:void(0)" id="change">看不清,换一张</a>

</body>
</html>